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(parent: 490cc7d) | patch
xen-netback: fix debugfs write length check
authorWei Liu <wei.liu2@citrix.com>
Tue, 12 Aug 2014 10:59:29 +0000 (11:59 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Aug 2014 03:06:43 +0000 (20:06 -0700)
commit5c807005fa60deef2db6616d9b7b24fc4c436be9
tree6e1ca61dc320ede63d38b91def87edeaae31a30ctree | snapshot (tar.gz zip)
parent490cc7d03c21871eef5949ba77a18b0c7ef70ef5commit | diff
xen-netback: fix debugfs write length check

Enlarge buffer size and check input length properly, so that we don't
misuse -ENOSPC.

Note that command like "kickXXXX" is still allowed, that's one patch for
another day if we really want to be very strict on this.

Reported-by: SeeChen Ng <seechen81@gmail.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Zoltan Kiss <zoltan.kiss@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/xen-netback/xenbus.c diff | blob | blame | history